Book mark



FIG. 1 is a front perspective view of a book mark;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a side view thereof, as seen from the left-hand side of FIG. 2;

FIG. 5 is a side view thereof, as seen from the right-hand side of FIG. 2;

FIG. 6 is a bottom thereof;

FIG. 7 is a rear view thereof; and,

FIG. 8 is a perspective view of the book mark shown on a book for illustrative purpose, the book forming no part of the claimed design.

The bookmark is shown with portions cut away to indicate no specific length. 

The ornamental design for a book mark, as shown and described. 